From WDFW regs:

Neah Bay: (Marine Area 4): Waters south of a line from Kydaka Point westerly approximately four miles to Shipwreck Point are closed to fishing for salmon July 1-Sept. 30. June 22-Sept. 14, daily limit two salmon, plus one additional pink salmon. No more than one chinook. Release wild coho. Chinook minimum size 26 inches, coho minimum size 16 inches. East of the Bonilla-Tatoosh line: Chinook retention allowed July 1-July 31 only, and east of a true north-south line through Sail Rock closed to salmon fishing July 1-July 31. Release wild coho. Release chum Aug. 1-Sept. 14. Season may close earlier if quota of 23,400 hatchery coho or chinook guideline is attained.

Sekiu (Marine Area 5): Waters south of a line from Kydaka Point west approximately four miles to Shipwreck Point are closed to fishing for salmon July 1-Sept. 30. July 1-July 4: No minimum size, daily limit two salmon. Release chinook, wild coho and chum. July 5-31: Chinook selective fishery. Chinook minimum size 22 inches. No minimum size for other salmon species. Daily limit two salmon combined, release wild chinook, wild coho and chum. Any salmon to be released may not be brought on board a vessel. Hatchery chinook retention may close earlier if an overall quota of 3,500 chinook is attained.

Aug. 1-14: Chinook minim size 22 inches, no minimum size for other salmon species. Daily limit is four salmon, no more than two chinook and coho in total. Release wild chinook, wild coho and chum. Any salmon to be released may not be brought on board a vessel. Hatchery chinook retention may close earlier if an overall quota of 3,500 chinook is attained.
Aug. 15-31: No minimum size. Daily limit is four salmon, no more than two coho. Release chino, wild coho and chum.
Sept. 1-30: No minimum size. Daily limit is two salmon. Release chinook, wild coho and chum.


The only mention I see of a 3,500 chinook quota applies to area 5...not area 4.

For area 4, a "chinook guideline" is mentioned, whatever that is.